Flash firmware on Spectrum Optimux 4.5
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How to flash Spectrum Optimux 4.5?
Why reinstall the firmware?
Errors start to appear in the operating system.
Some installed applications do not open.
Some applications from the Play Market do not start.
The phone restarts for no reason.
The phone began to slow down a lot.
The OS does not match the system requirements of the smartphone.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On sites where users post custom or official OS.
What should be done before installing the firmware?
Back up your phone's user data.
Insert an SD card into your phone to write the firmware to it.
Find information about your smartphone model.
Fully charge your phone battery.
Find and download the archive with Firmware. And place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App from the Play Market. And install it.
When you start the application for the first time, you need to give consent to future manipulations, as well as to give consent to granting the application Superuser rights and click the 'OK' button.
After moving to the next screen, select the 'TWRP FLASH' item and provide the application with root rights.
On the main screen of the application, select 'Select Device', and find your phone model.
After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. Download the suggested *.img file.
After downloading the image file, go to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Then we tell the program the path where the file loaded in the previous step is located.
Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the firmware and other necessary files to the SD card.
Insert a memory card into the phone.
To reboot into recovery, you need to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. We open the menu, select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.
Firmware via TWRP
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
Now you can start flashing. Click the 'Install' button.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
Select the location where the files were copied.
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.
The procedure for writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: Type: Mobile; Battery: Li-Ion 1500 mAh; CPU: Quad Core 1.2GHz; Smart Phone OS: Android 4.4.2; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Color: Yes; Colors: 16M; Other: Capacitive Touchscreen, Multitouch; Pixel aspect ratio: 1.50; Resolution: 855x480; Display PPI: 218; Screen Size: 4.5; Type: IPS; Audio: AAC, AAC+, AMR, AWB, MP3, Vorbis, FLAC, APE, MIDI, WAV; Camera: 2MP, 1600x1200; Other: CMOS Sensor, Macro Mode, Digital Zoom, Scene Mode, Video Calling; Secondcamera: 0.3MP, 640x480; Videocapture: YES, VGA@30fps; Videoplayback: AVI, RM, RMVB, MP4, MKV, WMV, MOV, DAT, VOB, PMP, MPEG, MPG, FLV, ASF, TS, TP, 3GP; Connectors: 3.5mm Audio, M ...
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